Issued Patents All Time
Showing 1–25 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11319668 | Sheet manufacturing apparatus | Katsuhito Gomi | 2022-05-03 |
| 10961657 | Defibrating device and sheet manufacturing apparatus | — | 2021-03-30 |
| 10563351 | Sheet manufacturing apparatus and material defibrating apparatus | Yoshiaki Murayama, Toshiaki Yamagami | 2020-02-18 |
| 9869057 | Defibration unit | Naotaka Higuchi, Toshiaki Yamagami | 2018-01-16 |
| 9840809 | Defibrating unit | Naotaka Higuchi, Toshiaki Yamagami | 2017-12-12 |
| 9644316 | Sheet manufacturing apparatus and defibrating unit | Naotaka Higuchi, Toshiaki Yamagami | 2017-05-09 |
| 9643339 | Sheet manufacturing apparatus and defibration unit | Naotaka Higuchi, Toshiaki Yamagami | 2017-05-09 |
| 9428859 | Sheet manufacturing apparatus and defibrating unit | Naotaka Higuchi, Toshiaki Yamagami | 2016-08-30 |
| 9422664 | Sheet manufacturing apparatus and defibration unit | Naotaka Higuchi, Toshiaki Yamagami | 2016-08-23 |
| 7729627 | Image forming apparatus that detects concentration of liquid toner using light reflected through liquid toner | Ken Ikuma | 2010-06-01 |
| 7636101 | MEMS scanner adapted to a laser printer | Randall B. Sprague, Wyatt O. Davis, Dean R. Brown, Yoshiro Koga, Yujiro Nomura | 2009-12-22 |
| 7444093 | Liquid toner concentration detecting device and method with window in toner container for light passage | Ken Ikuma | 2008-10-28 |
| 7218883 | Image forming apparatus | Tomoe Aruga, Yujiro Nomura | 2007-05-15 |
| 7187893 | Image transfer unit having an intermediate transfer belt to which a toner image is applied | Toshiya Takahata, Akira Kubota, Tatsuro Osawa, Takehiko Okamura, Hiroshi Ito +2 more | 2007-03-06 |
| 7167666 | Liquid development device, image forming apparatus, and image forming system | Manabu Munakata, Ken Ikuma, Masahide Nakamura, Shinichi Kamoshida | 2007-01-23 |
| 7139514 | Developing device, image forming apparatus, image forming system, and restriction member | Masahide Nakamura, Ken Ikuma, Fuminori Yano | 2006-11-21 |
| 7135260 | Imaging system | Nobuhiro Miyakawa, Shinji Yasukawa, Mikio Furumizu, Masanao Kunugi, Yoshiro Koga | 2006-11-14 |
| 7058345 | Transfer belt unit and image forming apparatus using the same | Tomoe Aruga, Yujiro Nomura | 2006-06-06 |
| 7031642 | Driving system for color image forming apparatus | — | 2006-04-18 |
| 7027758 | Image forming apparatus employing work function relationships | Nobuhiro Miyakawa, Shinji Yasukawa, Mikio Furumizu, Kaneo Yoda | 2006-04-11 |
| 7020415 | Image forming apparatus with transfer belt | — | 2006-03-28 |
| 7015937 | Electrostatic latent image writing head, method of manufacturing the same and image forming apparatus incorporating the same | Shinichi Kamoshida, Kiyoteru Katsuki, Atsunori Kitazawa, Kiyoshi Tsujino, Yujiro Nomura | 2006-03-21 |
| 6957032 | Intermediate transfer unit having a primary transfer member and a secondary transfer roller | Toshiya Takahata, Akira Kubota, Tatsuro Osawa, Takehiko Okamura, Hiroshi Ito +2 more | 2005-10-18 |
| 6907209 | Tandem-type image forming apparatus with a transfer belt | — | 2005-06-14 |
| 6907215 | Developing device and image forming apparatus incorporating the same | Shinji Yasukawa, Tomoe Aruga, Yujiro Nomura, Masanao Kunugi | 2005-06-14 |